Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark Hausknecht

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1386214310

Mark Hausknecht is an Addiction (Substance Use Disorder) Counselor in Tarzana, California. Practices as a sole proprietor. Registered with an NPI since 2021.

In the registry since
2021

Practice location Address checks out

18646 Oxnard St
Tarzana, CA 91356-1411
Phone: (818) 654-3828
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1386214310
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJuly 1, 2021
Last updated in NPPESJuly 1, 2021
Certification dateJuly 1, 2021

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